1.which of these statements is correct about water and oil? (2 points)

water is not a mineral because it is a liquid but oil is a mineral because it is formed under the ground by natural processes.

both water and oil are minerals because they are natural materials with a definite chemical composition.

water is a mineral because it has a definite chemical composition but oil is not a mineral because it is organic.

both water and oil are not minerals because they are liquids.

2.david plans to grow corn on his farm. corn grows best in clay loam soil. which of these is the most likely soil sample that david would select to grow corn? (2 points)

sample containing 30 percent sand, 35 percent clay, and 35 percent silt

sample containing 25 percent sand, 15 percent clay, and 60 percent silt

sample containing 40 percent sand, 15 percent clay, and 45 percent silt

sample containing 55 percent sand, 30 percent clay, and 15 percent silt

3.which of these was most likely the original type of soil on diana's garden? (2 points)

clay loam

medium loam

silty clay loam

sandy clay loam

answer:

1. both water and oil are not minerals because they are liquids.

2. sample containing 30 percent sand, 35 percent clay, and 35 percent silt

3. sandy clay loam

explanation:

1. according to definition, a mineral is a solid inorganic substance of natural occurrence. obviously, since water and oil are liquid , then they are not classified as minerals. there are now the so-called mineral water and mineral oil; meaning, minerals are added to these liquids to increase their nutritional value.

2. clay loam is a soil type that has more clay than what a good loam should have or a soil mixture that contains more clay than other types of rock or minerals. the only sample that has the highest proportion of clay among the choices is the first sample.

3. the ideal soil type is called loam. it is the type of soil that gardens and gardeners need containing a balance of all three soil materials namely: silt, sand and clay and some humus. since it has organic matter content, its ph and calcium levels are higher too.

all of the above

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